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A uniform moving cricket ball is turned ...

A uniform moving cricket ball is turned back by hitting it with a bat for a very short time interval. Show the variation of its acceleration with time. (Take acceleration in the back ward direction as positive).

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Acceleration of the ball is zero just before it strikes the bat and when it strikes the bat, it gets acclerated due to applied impulsive force of the bat and a-t graph is as shown in figure.
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